<template>
  <view class="normal-login-container">
    <view class="logo-content align-center justify-center flex">
      <image
        style="width: 100rpx; height: 100rpx"
        :src="globalConfig.appInfo.logo"
        mode="widthFix"
      >
      </image>
      <text class="title">乡村民宿</text>
    </view>
    <view class="login-form-content">
      <view class="input-item flex align-center">
        <view class="iconfont icon-user icon"></view>
        <input
          v-model="loginForm.username"
          class="input"
          type="text"
          placeholder="请输入账号"
          maxlength="30"
        />
      </view>
      <view class="input-item flex align-center">
        <view class="iconfont icon-password icon"></view>
        <input
          v-model="loginForm.password"
          class="input"
          type="password"
          placeholder="请输入密码"
          maxlength="20"
          @confirm="handleLogin"
        />
      </view>
      <view
        class="input-item flex align-center"
        style="width: 60%; margin: 0px"
        v-if="captchaEnabled"
      >
        <view class="iconfont icon-code icon"></view>
        <input
          v-model="loginForm.code"
          type="number"
          class="input"
          placeholder="请输入验证码"
          maxlength="4"
        />
        <view class="login-code">
          <image :src="codeUrl" @click="getCode" class="login-code-img"></image>
        </view>
      </view>
      <view class="action-btn">
        <button
          @click="handleLogin"
          class="login-btn cu-btn block bg-blue lg round"
        >
          登录
        </button>
      </view>
      <view class="reg text-center" v-if="register">
        <text class="text-grey1">没有账号？</text>
        <text @click="handleUserRegister" class="text-blue">立即注册</text>
      </view>
      <view class="xieyi text-center">
        <text class="text-grey1">登录即代表同意</text>
        <text @click="handleUserAgrement" class="text-blue">《用户协议》</text>
        <text @click="handlePrivacy" class="text-blue">《隐私协议》</text>
      </view>
    </view>
  </view>
</template>

<script>
import { getCodeImg, login } from "@/api/login";
import { getToken, setToken } from "@/utils/auth";

export default {
  data() {
    return {
      codeUrl: "",
      captchaEnabled: true,
      register: false,
      globalConfig: getApp().globalData.config,
      loginForm: {
        username: "admin",
        password: "admin123",
        code: "",
        uuid: "",
      },
    };
  },
  created() {
    this.getCode();
  },
  onLoad() {
    //#ifdef H5
    if (getToken()) {
      this.$tab.reLaunch("/pages/index/index");
    }
    //#endif
  },
  onShow() {
    const isLogin = getToken();
  },
  methods: {
    handleUserRegister() {
      this.$tab.redirectTo(`/pages/register/register`);
    },
    handlePrivacy() {
      let site = this.globalConfig.appInfo.agreements[0];
      this.$tab.navigateTo(
        `/pages/common/webview/index?title=${site.title}&url=${site.url}`
      );
    },
    handleUserAgrement() {
      let site = this.globalConfig.appInfo.agreements[1];
      this.$tab.navigateTo(
        `/pages/common/webview/index?title=${site.title}&url=${site.url}`
      );
    },
    getCode() {
      getCodeImg().then((res) => {
        this.captchaEnabled =
          res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    async handleLogin() {
      if (this.loginForm.username === "") {
        this.$modal.msgError("请输入账号");
      } else if (this.loginForm.password === "") {
        this.$modal.msgError("请输入密码");
      } else if (this.loginForm.code === "" && this.captchaEnabled) {
        this.$modal.msgError("请输入验证码");
      } else {
        this.$modal.loading("登录中，请耐心等待...");
        this.pwdLogin();
      }
    },
    async pwdLogin() {
      try {
        const res = await login(
          this.loginForm.username,
          this.loginForm.password,
          this.loginForm.code,
          this.loginForm.uuid
        );
        setToken(res.token);
        this.loginSuccess(res);
      } catch (error) {
        this.$modal.msgError(error.message || "登录失败");
        this.getCode();
      } finally {
        this.$modal.loading(false);
      }
    },
    loginSuccess(result) {
      uni.setStorageSync("isLoggedIn", true);
      this.$store.dispatch("GetInfo").then((res) => {
        uni.setStorageSync("userId", res.user.userId);
        this.$tab.reLaunch("/pages/index/index");
      });
    },
  },
};
</script>

<style lang="scss" scoped>
page {
  background-color: #ffffff;
}

.normal-login-container {
  width: 100%;

  .logo-content {
    width: 100%;
    font-size: 21px;
    text-align: center;
    padding-top: 15%;

    image {
      border-radius: 4px;
    }

    .title {
      margin-left: 10px;
    }
  }

  .login-form-content {
    text-align: center;
    margin: 20px auto;
    margin-top: 15%;
    width: 80%;

    .input-item {
      margin: 20px auto;
      background-color: #f5f6f7;
      height: 45px;
      border-radius: 20px;

      .icon {
        font-size: 38rpx;
        margin-left: 10px;
        color: #999;
      }

      .input {
        width: 100%;
        font-size: 14px;
        line-height: 20px;
        text-align: left;
        padding-left: 15px;
      }
    }

    .login-btn {
      margin-top: 40px;
      height: 45px;
    }

    .reg {
      margin-top: 15px;
    }

    .xieyi {
      color: #333;
      margin-top: 20px;
    }

    .login-code {
      height: 38px;
      float: right;

      .login-code-img {
        height: 38px;
        position: absolute;
        margin-left: 10px;
        width: 200rpx;
      }
    }
  }
}
</style>